Breeding in East Asia and wintering in South East Asia, this bird is known to show up in the Andaman and Nicobar Islands. A sighting of a Japanese sparrowhawk with photos from the Adyar Estuary on November 7 marks the first evidential documentation of the bird in mainland India

https://www.thehindu.com/news/cities/chennai/first-documented-sighting-of-japanese-sparrowhawk-in-mainland-india-reported-from-chennai/article70274170.ece